Updated checkout strategy for docker builds.

Author: vladd-bit

.github/workflows/docker-build.yml

@@ -100,6 +100,7 @@ jobs:
       su_digest:  ${{ steps.su.outputs.digest }}
     steps:
       - uses: actions/checkout@v5
+        with: { submodules: recursive, fetch-depth: 0 }
       - uses: docker/setup-buildx-action@v3
 
       - name: Docker meta (hub)
@@ -172,6 +173,7 @@ jobs:
     if: ${{ github.event_name != 'pull_request' }}
     steps:
       - uses: actions/checkout@v5
+        with: { submodules: recursive, fetch-depth: 0 }
       - uses: docker/setup-buildx-action@v3
 
       - name: Docker meta (singleuser-gpu)